all about/all the relevant facts的不同I thought that Helen would have told you……

all about/all the relevant facts的不同I thought that Helen would have told you……
all about/all the relevant facts的不同
I thought that Helen would have told you……

all about/all the relevant facts的不同I thought that Helen would have told you……
all about 表示一切关于·····,all the relevant facts表示一切相关的事实,他们其实意思相近,不同的表达方式罢了.